Which of the following blood group systems is characterized by the presence of a high-frequency antigen, which is often used as a marker for identifying individuals who have not been exposed to certain infectious agents?

A ABO blood group system
B Rh blood group system
C MNS blood group system
D P blood group system ✓

Explanation

The P blood group system is characterized by the presence of a high-frequency antigen, which is often used as a marker for identifying individuals who have not been exposed to certain infectious agents.

Source

Transfusion Medicine and Hemostasis
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Hard MEDICAL Confidence: medium